YOU SAID:

It is difficult to say for sure. We must run more tests.

INTO JAPANESE

確実とは言い難い。もっとテストを実行しなければならない。

BACK INTO ENGLISH

It's hard to say for sure. We have to run more tests.

INTO JAPANESE

確実とは言い難い。もっとテストをしないと

BACK INTO ENGLISH

It's hard to say for sure. We need to run more tests.

INTO JAPANESE

確実とは言い難い。もっとテストを実行する必要があります。

BACK INTO ENGLISH

It's hard to say for sure. You need to run more tests.

INTO JAPANESE

確実とは言い難い。もっとテストを実行する必要があります。

BACK INTO ENGLISH

It's hard to say for sure. You need to run more tests.